Canon imagePROGRAF GP-300 - Manual (Page 422)

Printing to Oversized Paper Sizes
When printing a created document so that it fills the entire paper width, select a paper size from the "XXX
oversize" (sizes resulting from adding margins necessary for printer operation to the document sizes) so that
all areas of the document are printed at their actual size.
A printout that has the same area as the document can be obtained by trimming the outer margins after
printing.
The procedure for printing with oversize is as follows:
1. Select oversized paper size 1.
In the Print dialog , select "XXX oversize" for Paper Size .
2. Select Quality & Media from the pop-up menu 2.
3. Select the paper source 3.
Select Roll Paper for Paper Source .
4. Select Page Processing from the pop-up menu 4.
5. Select roll paper width 5.
Set Roll Paper Width to the width of the roll paper loaded in the printer.
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